WIP: Display download progress for file downloads #2414

Job	Run time
build-debs (bookworm)	2m 41s
verify-builder-sync (bookworm)	41s
lintian (bookworm)	3m 36s
piuparts (client, bookworm)	1m 22s
piuparts (export, bookworm)	1m 53s
piuparts (keyring, bookworm)	1m 4s
piuparts (log, bookworm)	1m 0s
piuparts (proxy, bookworm)	1m 18s
piuparts (qubesdb-tools, bookworm)	1m 13s
piuparts (whonix-config, bookworm)	1m 5s
reproducible-debs (bookworm)	20s
	16m 13s

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